Functional Brain Imaging |
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Page 222
... lesion . Imaging with rCBF agents immediately locates all but small ( i.e. , lacunar ) infarcts but is not clinically needed to establish the diagnosis ( Fig . 6-11 ) . It might gain a role if it proves useful for early evaluation of ...
... lesion . Imaging with rCBF agents immediately locates all but small ( i.e. , lacunar ) infarcts but is not clinically needed to establish the diagnosis ( Fig . 6-11 ) . It might gain a role if it proves useful for early evaluation of ...
Page 343
... lesion , although the lesion is not necessarily in the occipital region . Unilateral loss of alpha reac- tivity to eye opening and closing is a significant finding , usually indicative of a lesion in the occipital lobe . A complete loss ...
... lesion , although the lesion is not necessarily in the occipital region . Unilateral loss of alpha reac- tivity to eye opening and closing is a significant finding , usually indicative of a lesion in the occipital lobe . A complete loss ...
Page 396
... lesion . Stimulation of the right lower visual field with a small " X " evoked a sequence of neuromagnetic oscillations with a dipolar source at 200 msec . As is true for normal subjects , the source localized to the left parietal ...
... lesion . Stimulation of the right lower visual field with a small " X " evoked a sequence of neuromagnetic oscillations with a dipolar source at 200 msec . As is true for normal subjects , the source localized to the left parietal ...
Contents
Introduction to Brain Imaging | 1 |
Computerized Axial Tomography | 97 |
Magnetic Resonance Imaging | 145 |
Copyright | |
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Functional Brain Imaging William W. Orrison,Jeffrey Lewine,John Sanders,Michael F. Hartshorne Limited preview - 2017 |
Common terms and phrases
abnormal activity ALFMA arterial auditory Axial axon basal ganglia brain capillary cells central central sulcus cerebral blood flow chemical shift clinical coil computed computed tomography contrast agent cortex cortical decreased demonstrating detection diffusion dipole disease effects encoding epilepsy extracellular field strength FMRI focal frequency functional Gd-DTPA glucose gradient HMPAO infarction inhomogeneous injection lesions Magn Reson magnetic field magnetic resonance imaging mapping measured membrane metabolism methods motor msec neoplasms nerve nervous system neural neuromagnetic neurons normal Nucl nuclei oxygen paramagnetic patients pattern peak perfusion phase positron emission tomography posterior processing projections proton pulse Radon transform rCBF receptors relaxation scan seizures sensitivity sequences signal changes signal intensity slice SMRM Annual Meeting somatosensory spatial SPECT spectra spikes spin echo stimulation studies T2-weighted techniques temporal lobe thalamus tion tissue tumors uptake visual voxel white matter